Answer this question truthfully
### Question: What are the symptoms of Bone cancer (Osteosarcoma)?
### Response: Many patients first complain of pain that may be worse at night, and may have been occurring for some time. If the tumour is large, it can appear as a swelling. The affected bone is not as strong as normal bones and may fracture with minor trauma (a pathological fracture).
Bone fracture (may occur after what seems like a routine movement) Bone pain Limitation of motion Limping (if the tumor is in the leg) Pain when lifting (if the tumor is in the arm) Tenderness, swelling, or redness at the site of the tumor